Cheapest return flights from London to Seoul in April from $523

Best time to book flights for London (LON) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from London (LON) to Seoul (ICN) in April 2025 (see full year).

Return flights

16 Apr - 03 May China Eastern
19 Apr - 10 May China Eastern
30 Apr - 05 May China Eastern
30 Apr - 06 May China Eastern
24 Apr - 11 May Air China
24 Apr - 19 May Air China
23 Apr - 14 May Air China
21 Apr - 24 May Air China
23 Apr - 08 May Air China
21 Apr - 23 May China Southern
24 Apr - 30 Apr Air China
23 Apr - 28 Apr China Southern
20 Apr - 28 Apr China Southern
18 Apr - 28 Apr China Southern
22 Apr - 28 Apr China Southern
24 Apr - 28 Apr China Southern
15 Apr - 30 Apr Air China
17 Apr - 30 Apr Air China
23 Apr - 30 Apr Air China
14 Apr - 30 Apr Air China

Also check the deals for one-way flights from London to Seoul in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul